You have subroutines named "unpack" and "pack" in the current package, so it doesn't know if you wanted to call the builtin pack and unpack or yours. I suggest changing the names of your "pack" and "unpack" subs, which will resolve the ambiguity.

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In reply to Re: "Ambiguous call" in decimal to binary conversion by theorbtwo
in thread "Ambiguous call" in decimal to binary conversion by Anonymous Monk

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